mdw@git.distorted.org.uk Git - adns/blob - client/addrtext.c

   1 /*
   2   some test cases
   3
   4
   5  ./addrtext_s fe80::1%wlanx
   6  ./addrtext_s fe80::1%wlan0
   7  ./addrtext_s fe80::1%23
   8  ./addrtext_s fe80::1%1
   9  ./addrtext_s 2001:ba8:1e3::%wlan0
  10  ./addrtext_s 2001:ba8:1e3::%23
  11  ./addrtext_s 2001:ba8:1e3::%1   # normally lo
  12  ./addrtext_s 127.0.0.1x
  13  ./addrtext_s 172.18.45.6
  14  ./addrtext_s 12345
  15
  16
  17   */
  18
  19 /*
  20  * addrtext.c
  21  * - test program for address<->string conversion, not part of the library
  22  */
  23 /*
  24  *  This file is part of adns, which is
  25  *    Copyright (C) 1997-2000,2003,2006,2014-2016  Ian Jackson
  26  *    Copyright (C) 2014  Mark Wooding
  27  *    Copyright (C) 1999-2000,2003,2006  Tony Finch
  28  *    Copyright (C) 1991 Massachusetts Institute of Technology
  29  *  (See the file INSTALL for full details.)
  30  *
  31  *  This program is free software; you can redistribute it and/or modify
  32  *  it under the terms of the GNU General Public License as published by
  33  *  the Free Software Foundation; either version 3, or (at your option)
  34  *  any later version.
  35  *
  36  *  This program is distributed in the hope that it will be useful,
  37  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  38  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  39  *  GNU General Public License for more details.
  40  *
  41  *  You should have received a copy of the GNU General Public License
  42  *  along with this program; if not, write to the Free Software Foundation.
  43  */
  44
  45 #include <sys/types.h>
  46 #include <sys/socket.h>
  47 #include <netdb.h>
  48 #include <stdbool.h>
  49 #include <string.h>
  50 #include <errno.h>
  51 #include <inttypes.h>
  52
  53 #include "config.h"
  54 #include "adns.h"
  55
  56 #define PORT 1234
  57
  58 #define STRING(x) STRING2(x)
  59 #define STRING2(x) #x
  60
  61 static int fails;
  62
  63 static void hex(const void *data_v, int l) {
  64   const uint8_t *data= data_v;
  65   int i;
  66   for (i=0; i<l; i++)
  67     printf("%02x",data[i]);
  68 }
  69
  70 static void dump(const char *pfx, struct sockaddr *sa, socklen_t salen) {
  71   int i;
  72   printf(" %s: ",pfx);
  73   hex(sa, salen);
  74
  75   for (i=0; i<salen; i++)
  76     printf("%02x",((const uint8_t*)sa)[i]);
  77
  78   printf(" %d ", sa->sa_family);
  79
  80   switch (sa->sa_family) {
  81   case AF_INET: {
  82     const struct sockaddr_in *s = (const void*)sa;
  83     printf(".port=%d .addr=%08"PRIx32"",
  84            ntohs(s->sin_port),
  85            (uint32_t)ntohl(s->sin_addr.s_addr));
  86     break;
  87   }
  88   case AF_INET6: {
  89     const struct sockaddr_in6 *s = (const void*)sa;
  90     printf(".port=%d .flowinfo=%08"PRIx32" .scope_id=%08"PRIx32" .addr=",
  91            ntohs(s->sin6_port),
  92            (uint32_t)ntohl(s->sin6_flowinfo),
  93            (uint32_t)ntohl(s->sin6_scope_id));
  94     hex(&s->sin6_addr, sizeof(s->sin6_addr));
  95     break;
  96   }
  97   }
  98   printf("\n");
  99 }
 100
 101 static void dotest(const char *input) {
 102   adns_sockaddr ours;
 103   socklen_t socklen;
 104   struct addrinfo aip;
 105   struct addrinfo *air=0;
 106   char ourbuf[ADNS_ADDR2TEXT_BUFLEN];
 107   char theirbuf[ADNS_ADDR2TEXT_BUFLEN];
 108
 109   memset(&ours,0,sizeof(ours));
 110
 111   socklen= sizeof(ours);
 112   int our_r= adns_text2addr(input,PORT,0,&ours.sa,&socklen);
 113
 114   memset(&aip,0,sizeof(aip));
 115   aip.ai_flags= AI_NUMERICHOST|AI_NUMERICSERV;
 116   aip.ai_socktype= SOCK_DGRAM;
 117   aip.ai_protocol= IPPROTO_UDP;
 118   air= 0;
 119   int libc_r= getaddrinfo(input,STRING(PORT),&aip,&air);
 120   printf("`%s': us %s; libc %s, air=%p",
 121          input, strerror(our_r), libc_r ? gai_strerror(libc_r) : "0", air);
 122   if (air)
 123     printf(" .family=%d .socklen=%ld .addr=%p .next=%p",
 124            air->ai_family, (long)air->ai_addrlen, air->ai_addr, air->ai_next);
 125   printf(":");
 126
 127   if (libc_r==EAI_NONAME && !air) {
 128     if (strchr(input,'%') && (our_r==ENOSYS || our_r==ENXIO)) {
 129       printf(" bad-scope");
 130       goto ok;
 131     }
 132     if (strchr(input,'%') && our_r==ENOSYS) {
 133       printf(" bad-scope");
 134       goto ok;
 135     }
 136     if (our_r==EINVAL) {
 137       printf(" invalid");
 138       goto ok;
 139     }
 140   }
 141   printf(" valid");
 142
 143 #define FAIL do{ printf(" | FAIL\n"); fails++; }while(0)
 144 #define WANT(x) if (!(x)) { printf(" not %s",STRING(x)); FAIL; return; } else;
 145
 146   WANT(!our_r);
 147   WANT(!libc_r);
 148   WANT(air);
 149   WANT(air->ai_addr);
 150   WANT(!air->ai_next);
 151   if (air->ai_addrlen!=socklen || memcmp(&ours,air->ai_addr,socklen)) {
 152     printf(" mismatch");
 153     FAIL;
 154     dump("ours",&ours.sa,socklen);
 155     dump("libc",air->ai_addr,air->ai_addrlen);
 156     return;
 157   }
 158
 159   printf(" |");
 160
 161   int ourbuflen= sizeof(ourbuf);
 162   int ourport;
 163   our_r= adns_addr2text(&ours.sa,0, ourbuf,&ourbuflen, &ourport);
 164
 165   printf(" us %s",strerror(our_r));
 166   if (!our_r)
 167     printf(" `%s'",ourbuf);
 168
 169   size_t theirbuflen= sizeof(theirbuf);
 170   libc_r= getnameinfo(&ours.sa,socklen, theirbuf,theirbuflen, 0,0,
 171                       NI_NUMERICHOST|NI_NUMERICSERV);
 172   printf("; libc %s", libc_r ? gai_strerror(libc_r) : "0");
 173   if (!libc_r)
 174     printf(" `%s'",theirbuf);
 175
 176   printf(":");
 177
 178   WANT(!our_r);
 179   WANT(!libc_r);
 180   WANT(ourport==PORT);
 181   if (strcmp(ourbuf,theirbuf)) {
 182     printf(" mismatch");
 183     FAIL;
 184     return;
 185   }
 186
 187  ok:
 188   printf(" | PASS\n");
 189 }
 190
 191 int main(int argc, char **argv) {
 192   const char *arg;
 193   while ((arg= *++argv)) {
 194     dotest(arg);
 195   }
 196   return !!fails;
 197 }